feat: add source policy (#341)

Signed-off-by: Sertac Ozercan <sozercan@gmail.com>
Co-authored-by: Brian Goff <cpuguy83@gmail.com>

go.mod

@@ -9,7 +9,8 @@ require (
 	github.com/containerd/console v1.0.3
 	github.com/containerd/containerd v1.7.6
 	github.com/cpuguy83/dockercfg v0.3.1
-	github.com/distribution/distribution v2.8.3+incompatible
+	github.com/distribution/distribution v2.8.2+incompatible
+	github.com/docker/buildx v0.11.2
 	github.com/docker/cli v24.0.6+incompatible
 	github.com/google/go-containerregistry v0.16.1
 	github.com/hashicorp/go-multierror v1.1.1
@@ -29,17 +30,18 @@ require (
 	google.golang.org/grpc v1.58.2
 )
 
-require (
-	github.com/Microsoft/hcsshim v0.11.0 // indirect
-	github.com/distribution/reference v0.5.0 // indirect
-)
-
 require (
 	github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24 // indirect
+	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/Microsoft/hcsshim v0.11.0 // indirect
+	github.com/Shopify/logrus-bugsnag v0.0.0-20230117174420-439a4b8ba167 // indirect
+	github.com/agl/ed25519 v0.0.0-20170116200512-5312a6153412 // indirect
 	github.com/anchore/go-struct-converter v0.0.0-20221118182256-c68fdcfa2092 // indirect
 	github.com/antchfx/xpath v1.2.4 // indirect
 	github.com/aquasecurity/trivy-db v0.0.0-20230831170347-f732860d4917 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/containerd/continuity v0.4.2 // indirect
 	github.com/containerd/ttrpc v1.2.2 // indirect
 	github.com/containerd/typeurl/v2 v2.1.1 // indirect
@@ -48,7 +50,13 @@ require (
 	github.com/docker/distribution v2.8.2+incompatible // indirect
 	github.com/docker/docker v24.0.5+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.7.0 // indirect
+	github.com/docker/go v1.5.1-1.0.20160303222718-d30aec9fd63c // indirect
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-metrics v0.0.1 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/felixge/httpsnoop v1.0.3 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/fvbommel/sortorder v1.0.1 // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/gofrs/flock v0.8.1 // indirect
@@ -57,24 +65,40 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
+	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/imdario/mergo v0.3.15 // indirect
 	github.com/in-toto/in-toto-golang v0.9.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.16.5 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/miekg/pkcs11 v1.1.1 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/moby/locker v1.0.1 // indirect
 	github.com/moby/patternmatcher v0.5.0 // indirect
+	github.com/moby/sys/mountinfo v0.6.2 // indirect
+	github.com/moby/sys/sequential v0.5.0 // indirect
 	github.com/moby/sys/signal v0.7.0 // indirect
+	github.com/moby/term v0.5.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/package-url/packageurl-go v0.1.2-0.20230812223828-f8bb31c1f10b // indirect
+	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.16.0 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.44.0 // indirect
+	github.com/prometheus/procfs v0.10.1 // indirect
 	github.com/samber/lo v1.38.1 // indirect
 	github.com/secure-systems-lab/go-securesystemslib v0.7.0 // indirect
 	github.com/shibumi/go-pathspec v1.3.0 // indirect
@@ -84,10 +108,13 @@ require (
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
+	github.com/theupdateframework/notary v0.6.1 // indirect
 	github.com/tonistiigi/fsutil v0.0.0-20230629203738-36ef4d8c0dbb // indirect
 	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea // indirect
 	github.com/tonistiigi/vt100 v0.0.0-20230623042737-f9a4f7ef6531 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.40.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.40.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.40.0 // indirect
 	go.opentelemetry.io/otel v1.14.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.14.0 // indirect
 	go.opentelemetry.io/otel/metric v0.37.0 // indirect
@@ -97,15 +124,27 @@ require (
 	golang.org/x/crypto v0.12.0 // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/net v0.14.0 // indirect
+	golang.org/x/oauth2 v0.10.0 // indirect
 	golang.org/x/sys v0.11.0 // indirect
+	golang.org/x/term v0.11.0 // indirect
 	golang.org/x/text v0.12.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	golang.org/x/tools v0.10.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/apimachinery v0.28.1 // indirect
+	k8s.io/client-go v0.28.1 // indirect
+	k8s.io/klog/v2 v2.100.1 // indirect
+	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
 )